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ULTRASONIC INSPECTION OF PRTR FUEL ELEMENT CLADDING

P.L. Farnsworth, Thierry Lambert

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Abstract

An immersion ultrasonic test was developed which will detect small cracks on the inner surface of Zircaloy-2 tubing used for PRTR fuel-element cladding. The ultrasonic method was compared with fluorescent-penetrant and eddy- current tests and found to be the most sensitive to crack type defects. The method is not sensitive to bonded inclusions or to wall-thickness variations. The development, evaluation, and application of this test are described. (auth)

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What this paper is about

An immersion ultrasonic test was developed which will detect small cracks on the inner surface of Zircaloy-2 tubing used for PRTR fuel-element cladding. The ultrasonic method was compared with fluorescent-penetrant and eddy- current tests and found to be the most sensitive to crack type defects. The method is not sensitive to bonded inclusions or to wall-thickness variations. The development, evaluation, and application of this test are described. (auth)

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Available abstract

An immersion ultrasonic test was developed which will detect small cracks on the inner surface of Zircaloy-2 tubing used for PRTR fuel-element cladding. The ultrasonic method was compared with fluorescent-penetrant and eddy- current tests and found to be the most sensitive to crack type defects. The method is not sensitive to bonded inclusions or to wall-thickness variations. The development, evaluation, and application of this test are described. (auth)

Key concepts: Cladding (metalworking), Penetrant (biochemical), Ultrasonic testing, Materials science, Ultrasonic sensor, Nondestructive testing, Composite material, Eddy current

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